﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace vmlModel
{
    public static  class Extensions
    {
        public static double ToDouple (this string value)
    {
        if (string.IsNullOrEmpty(value))
        {
            return 0;
        }
            return double.Parse(value);
    }
    }
}
